Results 101 to 110 of about 269,486 (164)

Global prevalence and economic and humanistic burden of astigmatism in cataract patients: a systematic literature review

open access: yes, 2018
David F Anderson,1 Mukesh Dhariwal,2 Christine Bouchet,3 Michael S Keith3 1University Hospital Southampton, NHS Foundation Trust, Southampton, UK; 2Novartis Ireland Ltd., Dublin, Ireland; 3Alcon Laboratories Inc., Fort Worth, TX, USA Purpose: To ...
Anderson DF   +3 more
core  

Combined femtosecond laser-assisted intracorneal ring segment implantation and corneal collagen cross-linking for correction of keratoconus

open access: yesClinical Ophthalmology, 2016
Osama Ibrahim,1 Ahmed Elmassry,1 Amr Said,1,2 Moones Abdalla,2 Hazem El Hennawi,1 Ihab Osman1 1Department of Ophthalmology, Alexandria University, Alexandria, Egypt; 2Roayah Vision Correction Center, Alexandria, Egypt Purpose: To assess the safety ...
Ibrahim O   +5 more
doaj  

The impact of simulated astigmatism on functional measures of visual performance [PDF]

open access: yes, 2015
Uncorrected refractive error, including astigmatism, is a leading cause of reversible visual impairment. While the ability to perform vision-related daily activities is reduced when people are not optimally corrected, only limited research has ...
Yang, Sung-Hua
core  

Effect of Posterior Corneal Surgically Induced Astigmatism on Toric Intraocular Lens Power Calculations [PDF]

open access: yes
Stephen Stewart,1– 3 Tun Kuan Yeo,3 Salissou Moutari,4 Richard N McNeely,1 Jonathan E Moore1 1Cathedral Eye Clinic, Belfast, UK; 2Centre for Public Health, Queen’s University Belfast, Belfast, UK; 3National Health Group Eye Institute, Tan Tock Seng ...
Yeo TK   +4 more
core  

Corneal Topographic Changes Due to Pediatric Epiblepharon Surgery

open access: yesClinical Ophthalmology
Jun Shindo,1,2 Nozomi Matsumura,1 Jutaro Nakamura,2 Mizuki Asano,1 Tomoko Ohno,1 Nobuhisa Mizuki2 1Department of Ophthalmology, Kanagawa Children’s Medical Center, Yokohama, Kanagawa, 232-8555, Japan; 2Department of Ophthalmology and Visual Science ...
Shindo J   +5 more
doaj  

Assessment of corneal astigmatism following frown and straight incision forms in sutureless manual small incision cataract surgery

open access: yes, 2016
Angela Ofeibea Amedo, Kwadwo Amoah, Nana Yaa Koomson, David Ben Kumah, Eugene Appenteng Osae Department of Optometry and Visual Science, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana Abstract: To investigate which of two tunnel ...
Amoah K   +4 more
core  

Pseudophakic astigmatism reduction with femtosecond laser-assisted corneal arcuate incisions: a pilot study

open access: yes, 2017
Clayton Blehm,1 Richard Potvin2 1Gainesville Eye Associates, Gainesville, GA, 2Science in Vision, Akron, NY, USA Purpose: The aim of this study was to assess the effectiveness of the Verion-LenSx guided arcuate incision technique to reduce refractive ...
Blehm C, Potvin R
core  

A novel color-LED corneal topographer to assess astigmatism in pseudophakic eyes

open access: yes, 2016
Tiago B Ferreira, Filomena J Ribeiro Department of Ophthalmology, Hospital da Luz, Lisbon, Portugal Purpose: To assess the accuracy of corneal astigmatism evaluation measured by four techniques, Orbscan IIz®, Lenstar LS900®, Cassini®, and ...
Ferreira TB, Ribeiro FJ
core  

Comparison of surgically induced astigmatism following different glaucoma operations

open access: yes, 2017
Masaki Tanito, Yukari Matsuzaki, Yoshifumi Ikeda, Etsuko Fujihara Division of Ophthalmology, Matsue Red Cross Hospital, Matsue, Japan Aim: To compare surgically induced astigmatism (SIA) among glaucomatous eyes treated with trabeculectomy (LEC), EX ...
Fujihara E   +3 more
core  

Preoperative Corneal Irregular Astigmatism and Long-Term Visual Outcomes After Multifocal Intraocular Lens Implantation

open access: yes
Purpose: Multifocal intraocular lenses (MIOLs) are disadvised among patients with irregular corneas, but the role of subclinical corneal irregular astigmatism on long-term visual outcomes remains poorly elucidated.
Sohee Jeon   +2 more
core   +1 more source

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